Long-Handled Medieval Ax-Head and Spike
Puzzle 5 of Deep Sea Journey Hard Pack
Question is: Long-Handled Medieval Ax-Head and Spike
and the answer is: HALBERD
Word Meaning:
HALBERD — A two-handed pole weapon, consisting of a long pole with an axe-like blade mounted on it (at a right angle like an axe, not on the tip like a spear), and (opposite the blade) typically a spike or hook.
Definitions from Wiktionary.